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A simple random sample of 25 vitamin tablets is obtained...
Mathematics, 28.02.2020 00:00, mariahdelossantos031
20 points to whoever helps me:(
A simple random sample of 25 vitamin tablets is obtained, and the potassium content of each tablet is measured. The sample has a standard deviation of 3.7 mg. Use a 0.05 significance level to test the claim that the potassium content of the vitamin tablets has a standard deviation equal to 3.2 mg. Find the critical value(s) needed to test the claim.
a. 12.401, 39.364
b. 13.848, 36.415
c. 33.196
d. 36.415
Answers: 2
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